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Sanford C. Goldberg 《Philosophical Studies》2003,116(3):325-326
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Contents Volume 116 2003 相似文献2.
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Contents Volume 32 2003 相似文献3.
Marc A. Moffett 《Philosophical Studies》2003,115(3):307-307
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Contents Volume 115 2003 相似文献4.
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Mark Heller 《Philosophical Studies》2003,114(3):293-293
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For various nonnormal distributions, the power of the Student t test can be increased if continuous measures are transformed to ranks before the test is performed. The power of the test can also be increased almost as much and, even more for some distributions, if measures are replaced by dichotomous variables with the values 0 and 1, instead of ranks. Similarly, the power of a significance test of correlation can be increased if scores are transformed to ranks, that is, with the use of the Spearman rank correlation method. Power can also be increased almost as much and in some cases even more if dichotomous variables are introduced, that is, if the phi coefficient is used as a measure of correlation. 相似文献
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Giovanni B. Moneta 《Journal of Happiness Studies》2004,5(4):413-414
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